@misc{indiciaef6e1663d48f5,
  title = {Leasing policies for the extractive resources},
  author = {E. D. Attanasi and S.R. Johnson},
  year = {1976},
  doi = {10.1007/bf01303241},
  url = {https://pubs.usgs.gov/publication/70001165},
  note = {Source identifier: 70001165}
}